Security upgrades

node_modules/@material-ui/styles/esm/makeStyles/indexCounter.js

@@ -0,0 +1,21 @@
+/* eslint-disable import/prefer-default-export */
+// Global index counter to preserve source order.
+// We create the style sheet during the creation of the component,
+// children are handled after the parents, so the order of style elements would be parent->child.
+// It is a problem though when a parent passes a className
+// which needs to override any child's styles.
+// StyleSheet of the child has a higher specificity, because of the source order.
+// So our solution is to render sheets them in the reverse order child->sheet, so
+// that parent has a higher specificity.
+var indexCounter = -1e9;
+export function increment() {
+  indexCounter += 1;
+
+  if (process.env.NODE_ENV !== 'production') {
+    if (indexCounter >= 0) {
+      console.warn(['Material-UI: You might have a memory leak.', 'The indexCounter is not supposed to grow that much.'].join('\n'));
+    }
+  }
+
+  return indexCounter;
+}